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Fixed a bug with scanline counter, not worth mentioning

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This commit is contained in:
Angelo Salese 2010-04-27 21:37:38 +00:00
parent ecf62838ce
commit 43d871183e
1 changed files with 10 additions and 1 deletions
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11
src/mame/video/dc.c
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@ -111,6 +111,15 @@ VO_STARTY
#define vo_vert_start_pos_f2 ((pvrta_regs[VO_STARTY] & 0x03ff0000) >> 16)
#define vo_vert_start_pos_f1 ((pvrta_regs[VO_STARTY] & 0x000003ff) >> 0)
/*
SPG_STATUS
---- ---- ---- ---- --x- ---- ---- ---- vsync
---- ---- ---- ---- ---x ---- ---- ---- hsync
---- ---- ---- ---- ---- x--- ---- ---- blank
---- ---- ---- ---- ---- -x-- ---- ---- field number
---- ---- ---- ---- ---- --xx xxxx xxxx scanline
*/
UINT32 pvrctrl_regs[0x100/4];
static UINT32 pvrta_regs[0x2000/4];
static const int pvr_parconfseq[] = {1,2,3,2,3,4,5,6,5,6,7,8,9,10,11,12,13,14,13,14,15,16,17,16,17,0,0,0,0,0,18,19,20,19,20,21,22,23,22,23};
@ -997,7 +1006,7 @@ READ64_HANDLER( pvr_ta_r )
blank = (video_screen_get_vblank(space->machine->primary_screen) | video_screen_get_hblank(space->machine->primary_screen)) ? 0 : 1;
if(spg_blank_pol) { blank^=1; }
pvrta_regs[reg] = (vsync << 13) | (hsync << 12) | (blank << 11) | (fieldnum << 10) | (video_screen_get_vpos(space->machine->primary_screen) & 0x1ff);
pvrta_regs[reg] = (vsync << 13) | (hsync << 12) | (blank << 11) | (fieldnum << 10) | (video_screen_get_vpos(space->machine->primary_screen) & 0x3ff);
break;
}
case SPG_TRIGGER_POS: